CN101391488A - Curing formation method for non-flat plate composite product and shaping mould - Google Patents

Curing formation method for non-flat plate composite product and shaping mould Download PDF

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Publication number
CN101391488A
CN101391488A CNA2008100458565A CN200810045856A CN101391488A CN 101391488 A CN101391488 A CN 101391488A CN A2008100458565 A CNA2008100458565 A CN A2008100458565A CN 200810045856 A CN200810045856 A CN 200810045856A CN 101391488 A CN101391488 A CN 101391488A
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China
Prior art keywords
layer
composite product
composite material
die
material part
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Application number
CNA2008100458565A
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Chinese (zh)
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CN101391488B (en
Inventor
何凯
***
徐恒元
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Chengdu Aircraft Industrial Group Co Ltd
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Chengdu Aircraft Industrial Group Co Ltd
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Publication of CN101391488B publication Critical patent/CN101391488B/en
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Abstract

The invention discloses a curing forming method and a forming die used for a non-slab composite material part. The method comprises the steps as follows: composite material part blank is arranged on a rigid die body which has the same shape with the processing shape and gluing and layer-paving are carried out according to the required dimension; after the layer-paving is finished, the composite material part blank is arranged on the rigid die body; furthermore, surfaces with plane are provided with elastic soft layers; corner pure rubber layers which are connected with elastic soft layer joint seams are arranged at corner profile so as to form a soft die surface; subsequently, vacuum bag auxiliary material is arranged on the soft die surface so as to prepare the vacuum bag curing forming composite material part. By the flexible soft die consisting of rubber-fabrics, the method arranges the composite material part blank on the surface of the soft die after the layer-paving is finished; the method for preparing the vacuum bag curing forming part solves the surface quality problems in the prior art that the non-die surface of the bag-pressing forming composite material part is crapy, accidented and has no gloss and the like, and improves the working efficiency.

Description

The curing molding method and the shaping mould of non-flat plate composite product
Technical field
The present invention relates to a kind of curing molding method and shaping mould of non-flat plate composite product.
Background technology
In the known technology, fiber reinforced polymer matrix composite product, especially advanced composite material product extensively adopt preimpregnation fabric layered manner shop layer, cure process.During curing, use vacuum bag-autoclave or vacuum bag-curing oven moulding flexible bag moulding technology usually.The general single face mould that adopts, its quality and shape of pasting die face is guaranteed by mould, and the quality of its lap guarantees by the vacuum bag extrusion forming.This flexible bag moulding composite product single face mold forming, for non-flat plate composite product with curved surface or flanging, the surperficial fold that tends to be difficult to avoid in non-subsides die face, defective such as uneven, lackluster.The surface quality defect of these non-subsides die faces will be remedied by the additional processing in later stage usually.The mode that remedies by machining, polish, spraying paint to wait guarantees.And abroad be at the intact surface coverage one deck porous aluminium sheet of shop layer, being called again that equal pressing plate guarantees, its weak point is that equal pressing plate of rigidity and part applying degree are poor, time work period is long.At present, layer intact product surface lay soft mode guarantees or improves the method for the non-subsides die face of product surface quality in the shop, also do not have the pertinent literature report.
Summary of the invention
The objective of the invention is above-mentioned defective at the existence of flexible bag moulding composite product single face mold forming, a kind of manufacture method with soft mode curing molding non-flat plate composite product is provided, to solve the non-subsides die face of prior art flexible bag moulding composite product surface fold, uneven, lusterless surface quality defect
Another object of the present invention provides a kind of flexible soft mode that fits tightly with the composite product surface, can make curved surface or smooth, the smooth-going composite product of flanging surface quality transition thereby produce.
The object of the invention can reach by following measure.A kind of curing molding method of non-flat plate composite product, have following feature: with the composite product blank be placed on the rigid mould identical with the machine-shaping shape concrete on, glue together the shop layer by the size of its requirement, after the shop layer finishes, with the composite product blank be placed on above-mentioned rigid mould concrete on, and the surface mount elastomeric flexible layer on plane is being arranged, lay the corner gum layer that is connected with elastomeric flexible layer seam in the place that the corner profile is arranged, seam connects the elastomeric flexible layer on the applying composite product flanging plane simultaneously, then on the soft mode surface of forming thus, lay vacuum bag auxiliary material, system vacuum bag cure forming composite product.
A kind of flexible soft mode that uses above-mentioned curing molding method to make described composite product, comprise one concrete with composite product geometry, rigid mould of the same size, it is characterized in that, on the concrete composite product blank surface of opening wide the flat face placement of described rigid mould, the shop is equipped with one deck elastomeric flexible layer at least, at the corner profile place of described mold, lay the corner gum layer 4 that is fitted and connected with last lower hem elastomeric flexible layer opposite joint.
The present invention has following beneficial effect.
The present invention is by the flexible soft mode by rubber-fabric combination, to spread the layer finish after the composite product blank be placed on the soft mode surface, through the system vacuum bag cure, make soft mode be close to the method on product surface, solved the non-subsides die face of prior art flexible bag moulding composite product surface fold, uneven, surface quality problems such as lackluster, compare with traditional equal pressing plate, the present invention is with helping rubber flexible and the elasticity that soft mode and product fit tightly, help the fabric that pressure transmits rigidity strength, solved the problem of equal pressing plate of prior art rigidity and part applying degree difference.And improved operating efficiency.The composite product curved surface that produces comprises the lustrous surface of flanging and crimp, the arc transition light, and flanging is smooth-going, and non-wrinkle.
Description of drawings
In order to further specify rather than limit above-mentioned implementation of the present invention, the present invention is further described below in conjunction with drawings and Examples, but therefore do not limit the present invention among the described practical range.All these designs should be considered as the disclosed content of present technique and protection scope of the present invention.
Fig. 1 is a kind of typical section figure of fiber reinforced polymer matrix composite product.
Fig. 2 is a kind of cutaway view that solidifies soft mode embodiment that the present invention cooperates Fig. 1.
The specific embodiment
Fig. 1 has described an a kind of embodiment of a kind of typical section composite product constructed in accordance.
In Fig. 2, this flexibility soft mold, by composite product 6 shapes, rigid mould of the same size concrete 1 and be placed in composite product 6 blank surface on elastomeric flexible layer 5, and be fitted on the lower hem surface, the corner gum layer 4 that opposite joint connects is formed.Elastomeric flexible layer 5 is composited by rubber layer 2 and tissue layer 3.Tissue layer 3 can be pressed from both sides and is connected between two rubber layers 2, also can be compounded in the rubber layer 2 or outer surface.Described rubber layer material is that long-term serviceability temperature is not less than the composite product solidification temperature, and the rubber of heatproof air aging performance excellence.Described tissue layer is that long-term serviceability temperature is not less than the composite product solidification temperature, and the fabric of heatproof air aging performance excellence, and tissue layer can be clipped between the rubber, also can be the surface that covers rubber layer.The fabric layer of cloth can be plain weave, twill.Combination between fabric and the rubber.And be not less than the composite product solidification temperature by long-term serviceability temperature, and the rubber of heatproof air aging performance excellence or resin adhesive liquid are carried out compound.Soft mode can not have fabric by the surface of product side.There is abrupt change of cross-section zone also can not add the fabric layer of cloth at composite product 6.
The composite product blank is placed on the rigid mould identical with the machine-shaping shape concrete 1 shown in Figure 2, and composite product 6 size is on request glued together the shop layer.Composite product blank after the shop layer finishes, being placed in rigidity die body 1 has on the surface on plane.And lay elastomeric flexible layer 5 in all composite product blank surface.According to the geometry profile of composite product 6, the place in abrupt change of cross-section zone is arranged particularly then, lay corner gum layer 4, and be connected with elastomeric flexible layer 5 seam of flat surface.The die frame of rigid mould concrete 1 open wide composite product blank on the flat surface, should spread usually and put one deck elastomeric flexible layer 5 at least.Generally, comprise composite product 6 flangings at composite product 6 corner profile places, or the top and bottom on the crimp, answer seam to connect applying elastomeric flexible layer 5.After the connection of mantle layer fitted and finished the composition of soft mode, at rubber soft mode surface lay vacuum bag auxiliary material, the moulding of system vacuum bag cure.

Claims (3)

1. the curing molding method of a non-flat plate composite product, has following feature: the composite product blank is placed on the rigid mould identical with the machine-shaping shape concrete (1), glue together the shop layer by the size of its requirement, after the shop layer finishes, the composite product blank is placed on the above-mentioned rigid mould concrete (1), and the surface mount elastomeric flexible layer (5) on plane is being arranged, lay the corner gum layer (4) that is connected with elastomeric flexible layer (5) seam in the place that the corner profile is arranged, seam connects the elastomeric flexible layer (5) on applying composite product (6) the flanging plane simultaneously, then, on the soft mode surface of forming thus, lay vacuum bag auxiliary material, system vacuum bag cure forming composite product.
2. the curing molding method of non-flat plate composite product as claimed in claim 1 is characterized in that, described elastomeric flexible layer (5) is by rubber layer and tissue layer is compound forms.
3. flexible soft mode that uses the described method curing molding of claim 1 composite product, comprise one with composite product geometry, rigid mould of the same size concrete (1), it is characterized in that, on the concrete composite product blank surface of opening wide the flat face placement of described rigid mould, the shop is equipped with one deck elastomeric flexible layer (5) at least, at the corner profile place of described mold, lay the corner gum layer (4) that is fitted and connected with last lower hem elastomeric flexible layer (5) opposite joint.
CN2008100458565A 2008-08-22 2008-08-22 Curing formation method for non-flat plate composite product and shaping mould Expired - Fee Related CN101391488B (en)

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CN101391488B CN101391488B (en) 2010-06-09

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CN102303410A (en) * 2011-06-08 2012-01-04 沈阳飞机工业(集团)有限公司 Method for molding core and cavity of corner sealing element
CN102320139A (en) * 2011-06-22 2012-01-18 航天材料及工艺研究所 Forming process of curved composite tube
CN102873884A (en) * 2012-09-13 2013-01-16 沈阳飞机工业(集团)有限公司 Composite material combined core mold compensation pad process
CN103496178A (en) * 2013-09-03 2014-01-08 航天特种材料及工艺技术研究所 Foamed reinforced composite material structure vacuum co-injection integral forming method
CN103802329A (en) * 2012-11-14 2014-05-21 江西昌河航空工业有限公司 Integrated forming method for large-length-diameter-ratio composite tubular member
CN103950211A (en) * 2014-03-11 2014-07-30 中航复合材料有限责任公司 Molding device and molding method for hat-shaped composite material stringer blank
CN103950205A (en) * 2014-03-18 2014-07-30 沈阳飞机工业(集团)有限公司 Molding method of composite material part with T-shaped cross section annular revolving body structure
CN103950212A (en) * 2014-03-11 2014-07-30 中航复合材料有限责任公司 Molding device and molding method for T-shaped composite material stringer blank
CN105034403A (en) * 2015-06-25 2015-11-11 北京卫星制造厂 Method for manufacturing composite shell
CN105082568A (en) * 2015-08-10 2015-11-25 中国商用飞机有限责任公司北京民用飞机技术研究中心 Liquid molding process of special-shaped composite structural part
CN105109066A (en) * 2015-08-13 2015-12-02 江苏恒神股份有限公司 Molding technology of single-ring closed type fiber reinforced resin base composite material stirrups
CN105881930A (en) * 2016-04-01 2016-08-24 中航飞机股份有限公司西安飞机分公司 Forming device and forming method of I-shaped part
CN105984154A (en) * 2016-06-14 2016-10-05 沈阳飞机工业(集团)有限公司 Forming method of U-shaped beam type composite part
CN106891546A (en) * 2017-03-31 2017-06-27 成都联科航空技术有限公司 A kind of forming method for becoming wall thickness composite skirt
CN106926481A (en) * 2017-02-14 2017-07-07 江西昌河航空工业有限公司 A kind of forming method of filament carbon fibre component
CN107127982A (en) * 2017-05-08 2017-09-05 江苏恒神股份有限公司 A kind of equal pressing plate flexible connecting method being molded for composite product
CN107584779A (en) * 2016-07-08 2018-01-16 深圳光启高等理工研究院 The female mould forming method of composite product
CN108928017A (en) * 2018-06-21 2018-12-04 江西昌河航空工业有限公司 A kind of curing method in composite material special type face
CN109624353A (en) * 2018-12-20 2019-04-16 武汉理工大学 A method of improving the curing molding quality of L-type composite laminated plate
CN109689320A (en) * 2016-09-07 2019-04-26 空中客车营运有限公司 It is vacuum formed lamination charging
CN110625963A (en) * 2019-09-17 2019-12-31 成都飞机工业(集团)有限责任公司 Manufacturing method of composite material component with variable thickness and corner characteristics
CN112536946A (en) * 2020-11-20 2021-03-23 上海复合材料科技有限公司 Composite material conical section forming die pressurized by using soft die
CN114851594A (en) * 2022-04-25 2022-08-05 中国人民解放军国防科技大学 Forming method of fixed base
CN114889160A (en) * 2022-04-25 2022-08-12 中国人民解放军国防科技大学 Forming method of composite material barrel

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CN102303410A (en) * 2011-06-08 2012-01-04 沈阳飞机工业(集团)有限公司 Method for molding core and cavity of corner sealing element
CN102320139A (en) * 2011-06-22 2012-01-18 航天材料及工艺研究所 Forming process of curved composite tube
CN102320139B (en) * 2011-06-22 2013-09-25 航天材料及工艺研究所 Forming process of curved composite tube
CN102873884B (en) * 2012-09-13 2014-10-15 沈阳飞机工业(集团)有限公司 Composite material combined core mold compensation pad process
CN102873884A (en) * 2012-09-13 2013-01-16 沈阳飞机工业(集团)有限公司 Composite material combined core mold compensation pad process
CN103802329A (en) * 2012-11-14 2014-05-21 江西昌河航空工业有限公司 Integrated forming method for large-length-diameter-ratio composite tubular member
CN103802329B (en) * 2012-11-14 2017-04-05 江西昌河航空工业有限公司 The tubular component integral forming method of big L/D ratio composite
CN103496178A (en) * 2013-09-03 2014-01-08 航天特种材料及工艺技术研究所 Foamed reinforced composite material structure vacuum co-injection integral forming method
CN103496178B (en) * 2013-09-03 2016-01-13 航天特种材料及工艺技术研究所 A kind of vacuum of foam reinforced composite material structure injects integral forming method altogether
CN103950212A (en) * 2014-03-11 2014-07-30 中航复合材料有限责任公司 Molding device and molding method for T-shaped composite material stringer blank
CN103950212B (en) * 2014-03-11 2016-01-20 中航复合材料有限责任公司 The forming frock of a kind of T-shaped composite long purlin blank and forming method
CN103950211A (en) * 2014-03-11 2014-07-30 中航复合材料有限责任公司 Molding device and molding method for hat-shaped composite material stringer blank
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CN105034403A (en) * 2015-06-25 2015-11-11 北京卫星制造厂 Method for manufacturing composite shell
CN105034403B (en) * 2015-06-25 2017-04-19 北京卫星制造厂 Method for manufacturing composite shell
CN105082568A (en) * 2015-08-10 2015-11-25 中国商用飞机有限责任公司北京民用飞机技术研究中心 Liquid molding process of special-shaped composite structural part
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CN107584779A (en) * 2016-07-08 2018-01-16 深圳光启高等理工研究院 The female mould forming method of composite product
CN109689320A (en) * 2016-09-07 2019-04-26 空中客车营运有限公司 It is vacuum formed lamination charging
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CN106891546A (en) * 2017-03-31 2017-06-27 成都联科航空技术有限公司 A kind of forming method for becoming wall thickness composite skirt
CN107127982A (en) * 2017-05-08 2017-09-05 江苏恒神股份有限公司 A kind of equal pressing plate flexible connecting method being molded for composite product
CN108928017A (en) * 2018-06-21 2018-12-04 江西昌河航空工业有限公司 A kind of curing method in composite material special type face
CN109624353A (en) * 2018-12-20 2019-04-16 武汉理工大学 A method of improving the curing molding quality of L-type composite laminated plate
CN109624353B (en) * 2018-12-20 2020-12-22 武汉理工大学 Method for improving curing molding quality of L-shaped composite laminated plate
CN110625963A (en) * 2019-09-17 2019-12-31 成都飞机工业(集团)有限责任公司 Manufacturing method of composite material component with variable thickness and corner characteristics
CN110625963B (en) * 2019-09-17 2021-12-07 成都飞机工业(集团)有限责任公司 Manufacturing method of composite material component with variable thickness and corner characteristics
CN112536946A (en) * 2020-11-20 2021-03-23 上海复合材料科技有限公司 Composite material conical section forming die pressurized by using soft die
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CN114889160A (en) * 2022-04-25 2022-08-12 中国人民解放军国防科技大学 Forming method of composite material barrel

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